<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>05_项目排列方式</title>
    <style>
      .container{
          background-color: lightgreen;
          display: flex;
          justify-content: flex-start;
          justify-content: flex-end;
          justify-content: space-around;
          justify-content: space-between;
          justify-content: space-evenly;
          justify-content: center;
          /*交叉轴*/
          height: 500px;
          align-items: flex-start;
          align-items: flex-end;
          align-items: center;
      }
      .item{
          width: 100px;
          height: 100px;
          background-color: lightyellow;
          border:3px solid deeppink;
          font-size: 45px;
      }
    </style>
</head>
<body>
    <div class="container">
      <div class="item">1</div>
      <div class="item">2</div>
      <div class="item">3</div>
      <div class="item">4</div>
      <div class="item">5</div>
      <div class="item">6</div>
      <div class="item">7</div>
    </div>
</body>
</html>